# Best Guernsey eSIM (Nov 2026): 9 brands compared Updated 5 November 2026 (Istanbul). Written by Inbox eSIM, which sells eSIMs: our prices are live, every other brand's price was read on its own site on the date shown (5 Nov 2026), and we say where a rival is cheaper. Full page: https://inboxesim.com/compare/guernsey ## The answer 9 brands, the same data side by side. For 5 GB lasting a month the lowest price today is Wanderly at $8.99. Among the 3 brands whose rules we checked, the lowest with no app or account is ours at $18.29. Rival prices read 5 Nov 2026. ## Cheapest by size | Data and days | Cheapest | Next | Inbox eSIM | Where cheaper, what ours adds | Brands | |---|---|---|---|---|---| | 5 GB for at least 30 days | Wanderly $8.99 | eSIMfly $14.67 | $18.29 (#5 of 8) | | 8 | | 1 GB for at least 7 days | eSIMfly $3.52 | MegaEsim $3.92 | $4.89 (#5 of 8) | | 8 | | 3 GB for at least 30 days | Wanderly $7.99 | eSIMfly $9.09 | $11.39 (#5 of 8) | | 8 | | 10 GB for at least 30 days | Wanderly $14.99 | eSIMfly $27.26 | not sold | | 2 | | 20 GB for at least 30 days | Wanderly $25.99 | SparkRoam $44.53 | $52.49 (#5 of 8) | | 8 | ## 5 GB for at least 30 days, cheapest first | Brand | Data | Days | Price (USD) | Read | Where | |---|---|---|---|---|---| | Wanderly | 5 GB | 30 | $8.99 | 5 Nov 2026 | https://getwanderly.com/destinations/guernsey | | eSIMfly | 5 GB | 30 | $14.67 | 5 Nov 2026 | https://esimfly.net/esim/guernsey | | SparkRoam | 5 GB | 30 | $15.55 | 5 Nov 2026 | https://sparkroam.com/esim/guernsey-esim-1gb-7d | | MegaEsim | 5 GB | 30 | $16.10 | 5 Nov 2026 | https://megaesim.com/guernsey-esim/ | | Inbox eSIM (ours) | 5 GB | 30 | $18.29 | live | https://inboxesim.com/guernsey | | ESIM0 | 5 GB | 30 | $25.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-guernsey | | Skyalo | 5 GB | 30 | $28.99 | 5 Nov 2026 | https://skyalo.com/esim/guernsey | | eSIM Prime | 5 GB | 30 | $32.99 | 5 Nov 2026 | https://esimprime.com/products/guernsey-esim?variant=50916439130403 | ## 1 GB for at least 7 days, cheapest first | Brand | Data | Days | Price (USD) | Read | Where | |---|---|---|---|---|---| | eSIMfly | 1 GB | 7 | $3.52 | 5 Nov 2026 | https://esimfly.net/esim/guernsey | | MegaEsim | 1 GB | 7 | $3.92 | 5 Nov 2026 | https://megaesim.com/guernsey-esim/ | | Wanderly | 1 GB | 7 | $3.99 | 5 Nov 2026 | https://getwanderly.com/destinations/guernsey | | SparkRoam | 1 GB | 7 | $4.24 | 5 Nov 2026 | https://sparkroam.com/esim/guernsey-esim-1gb-7d | | Inbox eSIM (ours) | 1 GB | 7 | $4.89 | live | https://inboxesim.com/guernsey | | ESIM0 | 1 GB | 7 | $6.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-guernsey | | Skyalo | 1 GB | 7 | $8.40 | 5 Nov 2026 | https://skyalo.com/esim/guernsey | | eSIM Prime | 1 GB | 7 | $9.99 | 5 Nov 2026 | https://esimprime.com/products/guernsey-esim?variant=50916439130403 | ## 3 GB for at least 30 days, cheapest first | Brand | Data | Days | Price (USD) | Read | Where | |---|---|---|---|---|---| | Wanderly | 3 GB | 30 | $7.99 | 5 Nov 2026 | https://getwanderly.com/destinations/guernsey | | eSIMfly | 3 GB | 30 | $9.09 | 5 Nov 2026 | https://esimfly.net/esim/guernsey | | SparkRoam | 3 GB | 30 | $9.77 | 5 Nov 2026 | https://sparkroam.com/esim/guernsey-esim-1gb-7d | | MegaEsim | 3 GB | 30 | $9.87 | 5 Nov 2026 | https://megaesim.com/guernsey-esim/ | | Inbox eSIM (ours) | 3 GB | 30 | $11.39 | live | https://inboxesim.com/guernsey | | ESIM0 | 3 GB | 30 | $15.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-guernsey | | Skyalo | 3 GB | 30 | $21.15 | 5 Nov 2026 | https://skyalo.com/esim/guernsey | | eSIM Prime | 3 GB | 30 | $21.99 | 5 Nov 2026 | https://esimprime.com/products/guernsey-esim?variant=50916439130403 | ## 10 GB for at least 30 days, cheapest first | Brand | Data | Days | Price (USD) | Read | Where | |---|---|---|---|---|---| | Wanderly | 10 GB | 30 | $14.99 | 5 Nov 2026 | https://getwanderly.com/destinations/guernsey | | eSIMfly | 10 GB | 30 | $27.26 | 5 Nov 2026 | https://esimfly.net/esim/guernsey | ## 20 GB for at least 30 days, cheapest first | Brand | Data | Days | Price (USD) | Read | Where | |---|---|---|---|---|---| | Wanderly | 20 GB | 30 | $25.99 | 5 Nov 2026 | https://getwanderly.com/destinations/guernsey | | SparkRoam | 20 GB | 30 | $44.53 | 5 Nov 2026 | https://sparkroam.com/esim/guernsey-esim-1gb-7d | | MegaEsim | 20 GB | 30 | $47.31 | 5 Nov 2026 | https://megaesim.com/guernsey-esim/ | | eSIMfly | 20 GB | 30 | $49.98 | 5 Nov 2026 | https://esimfly.net/esim/guernsey | | Inbox eSIM (ours) | 20 GB | 30 | $52.49 | live | https://inboxesim.com/guernsey | | Skyalo | 20 GB | 30 | $67.99 | 5 Nov 2026 | https://skyalo.com/esim/guernsey | ## How the brands work What each brand's own pages say (3 of 9 brands checked; the rest: see their sites). | Brand | App or account | When days start | Refunds | Top-ups | |---|---|---|---|---| | Inbox eSIM (ours) | None: no app and no account | When the eSIM first connects to a network in a covered country | Unused and never installed: refund to the card within 30 days, less the card fee (no card fee within 14 days in the EU and UK) | Yes, on the same eSIM, from the order page | | eSIMfly | Buy on the website or in the app; the QR comes by email and in your account. The pages do not say whether sign-up is needed. | Not checked by us | Full refund for an unactivated eSIM within 30 days, to the original method; instant-activation plans are not refundable. | Yes, where available: buy a top-up in your account on the app or website. | | MegaEsim | Account required to buy, on the website or the app; the QR is emailed and kept under My eSIMs. | Not checked by us | Full refund for any reason within 6 months, installed or not, to the original method in 3 to 5 business days; plans with a phone number excluded. | Yes: log in, open My eSIMs and choose Top Up; data is added to the same eSIM, except some daily unlimited plans. | Our Guernsey packs connect to Sure. ## Method and data - How the prices are read, and which brands are not: https://inboxesim.com/compare/method - Every plan on the page as open data (CC BY 4.0): https://inboxesim.com/compare/data/guernsey.csv and https://inboxesim.com/compare/data/guernsey.json - Our Guernsey packs: https://inboxesim.com/guernsey - Every pack where we are the cheapest of the brands we read: https://inboxesim.com/compare/cheapest - Ready views of this comparison: no app or account, 14 days https://inboxesim.com/compare/guernsey?days=14&noapp=1 · local internet exit https://inboxesim.com/compare/guernsey?local=1 · heavy use, 7 days https://inboxesim.com/compare/guernsey?days=7&use=heavy · 5G https://inboxesim.com/compare/guernsey?5g=1 · under $10 https://inboxesim.com/compare/guernsey?max=10 · with regional plans https://inboxesim.com/compare/guernsey?reg=1